CN218240352U - Be applied to ageing disaster prevention protection device of welding source - Google Patents
Be applied to ageing disaster prevention protection device of welding source Download PDFInfo
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- CN218240352U CN218240352U CN202221536475.9U CN202221536475U CN218240352U CN 218240352 U CN218240352 U CN 218240352U CN 202221536475 U CN202221536475 U CN 202221536475U CN 218240352 U CN218240352 U CN 218240352U
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- 238000003466 welding Methods 0.000 title claims abstract description 74
- 230000032683 aging Effects 0.000 title claims abstract description 21
- 230000002265 prevention Effects 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 95
- 238000012545 processing Methods 0.000 claims abstract description 29
- 230000003321 amplification Effects 0.000 claims description 34
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 34
- 238000001931 thermography Methods 0.000 claims description 29
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- 238000010248 power generation Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 30
- 239000003990 capacitor Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002633 protecting effect Effects 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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Abstract
The application relates to the field of safety arrangement, especially relate to a be applied to ageing disaster prevention protection device of welding power supply, it including: the detection module is used for detecting the working state of the welding power supply, the input end of the detection module is used for acquiring a state signal of the welding power supply, and the output end of the detection module is used for outputting a corresponding detection signal; the input end of the comparison module is used for receiving the detection signal output by the detection module, comparing the detection signal with the threshold signal, and the output end of the comparison module outputs a corresponding comparison signal; the input end of the signal processing module is used for receiving the comparison signal output by the comparison module, the signal processing module is used for processing the comparison signal, and the output end of the signal processing module outputs a corresponding control signal; and the input end of the alarm module is used for receiving the control signal output by the signal processing module, and the alarm module is used for giving an alarm to a user. This application has the effect that reduces staff's intensity of labour.
Description
Technical Field
The application relates to the field of safety protection devices, in particular to a welding power supply aging disaster prevention protection device.
Background
With the industrial development of China, welding is also developed as a processing mode in the industry, and a welding power source is an important device in welding as an energy source for welding in the welding process.
After the design of a new product of the welding power supply is completed, the new product is generally required to be put on the market through a life limit test, the life limit test is generally carried out for about two months, the welding power supply generally ages the welding power supply by loading a load resistance box at an output end, and the life limit test is generally carried out in a laboratory.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the aging process, the welding power supply converts electric energy into heat energy to realize rapid aging, and in order to reduce the probability of spontaneous combustion caused by overhigh temperature of the welding power supply, a worker needs to keep attention at any time in the process, so that the labor intensity of the worker is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that workers need to keep welding power supply main bodies for a long time and the labor intensity of the workers is high, the application provides a welding power supply aging disaster prevention protection device.
The application provides a be applied to ageing disaster prevention protection device of welding power supply adopts following technical scheme:
the utility model provides an it prevents disaster protection device to be applied to welding source ageing, including:
the detection module is used for detecting the working state of the welding power supply, the input end of the detection module is used for collecting a state signal of the welding power supply, and the output end of the detection module is used for outputting a corresponding detection signal;
the input end of the comparison module is used for receiving the detection signal output by the detection module, comparing the detection signal with the threshold signal, and the output end of the comparison module outputs a corresponding comparison signal;
the input end of the signal processing module is used for receiving the comparison signal output by the comparison module, the signal processing module is used for processing the comparison signal, and the output end of the signal processing module outputs a corresponding control signal;
and the input end of the alarm module is used for receiving the control signal output by the signal processing module, and the alarm module is used for giving an alarm to a user.
The detection module comprises:
the environment temperature detection unit is used for collecting the environment temperature of a laboratory where the welding power supply is located and outputting a corresponding environment temperature signal to the input end of the comparison module;
and the gas detection unit is used for detecting the concentration of harmful gas in a laboratory where the welding power supply is positioned and outputting a corresponding gas concentration signal to the input end of the comparison module.
By adopting the technical scheme, when the temperature of the welding power supply is too high, the environment temperature detection unit sends a detected temperature signal of the too high temperature to the comparison module, the comparison module compares the environment temperature signal with a threshold signal set by a worker, the comparison module outputs a high level to the signal processing module, and the signal processing module sends a control signal to enable the alarm module to warn the worker; when the gas concentration emitted by the welding power supply is too high, the gas detection unit sends a detected gas concentration signal with too high concentration to the comparison module, the comparison module outputs a high level to the signal processing module after comparison, the signal processing module sends a control signal to enable the alarm module to warn workers, so that the workers perform cooling and other work on the welding power supply, the probability that the workers perform fire extinguishing when the welding power supply burns to damage the workers and other equipment is reduced, the workers can cool or extinguish the welding power supply before the welding power supply causes more disasters, the welding power supply is detected by different types of physical and chemical means, the prevention accuracy is improved, and the purposes of reducing disasters and preventing disasters are achieved; the warning module can warn the distracted workers, so that the workers can be appropriately relaxed without staring at the state of the welding power supply all the time, and the labor intensity of the workers is reduced.
Optionally, the method includes: the detection module is also provided with:
and the thermal imaging detection unit detects the temperature of the surface of the welding power supply through thermal imaging and outputs a corresponding thermal imaging signal to the input end of the comparison module.
By adopting the technical scheme, the temperature of the surface of the welding power supply is detected through thermal imaging, so that the purpose of monitoring the temperature of the welding power supply is achieved, the probability of spontaneous combustion caused by temperature rise of the welding power supply due to long-time work is reduced, and the monitoring and protecting effects on the welding power supply are achieved.
Optionally, the input end of the gating module is used for receiving the ambient temperature signal, the gas concentration signal and the thermal imaging signal, the gating module is used for screening out a signal representing the worst working state of the welding power supply from the ambient temperature signal, the gas concentration signal and the thermal imaging signal, and the output end of the gating module outputs a corresponding selection signal to the comparison module.
By adopting the technical scheme, the environment temperature signal, the gas concentration signal and the thermal imaging signal are screened through the gating module, so that the detection signal which represents the worst working state of the welding power supply is transmitted to the comparison module, the probability of mutual interference among the three detection signals is reduced, and the stability of the detection signal received by the comparison module is improved.
Optionally, the detection module includes:
the input end of the first signal amplification unit is used for receiving the environment temperature signal output by the environment temperature detection unit, the first signal amplification unit is used for amplifying the environment temperature signal, and the output end of the first signal amplification unit is used for outputting a first detection signal to the input end of the comparison module;
the input end of the second signal amplification unit is used for receiving the gas concentration signal output by the gas detection unit, the second signal amplification unit is used for amplifying the gas concentration signal, and the output end of the second signal amplification unit is used for outputting a second detection signal to the input end of the comparison module;
and the input end of the third signal amplification unit is used for receiving the thermal imaging signal output by the thermal imaging detection unit, the third signal amplification unit is used for amplifying the thermal imaging signal, and the output end of the third signal amplification unit is used for outputting a third detection signal to the input end of the comparison module.
By adopting the technical scheme, the environment temperature signal, the thermal imaging signal and the gas concentration signal are respectively amplified by the first signal amplification unit, the second signal amplification unit and the third signal amplification unit and then transmitted to the comparison module, the amplified detection signal is more stable when the comparison module performs comparison, the probability of outputting an error comparison signal due to the fact that the difference between the detection signal and the threshold signal is too small is reduced, and the correctness of the comparison signal output by the comparison module is improved.
Optionally, the gating module includes a first diode D1, a second diode D2, and a third diode D3, an anode of the first diode D1 is connected to the output end of the first signal amplifying unit, and a cathode of the first diode D1 is connected to the input end of the comparing module; the anode of the second diode D2 is connected to the output end of the second signal amplifying unit, and the cathode of the second diode D2 is connected to the input end of the comparing module; the anode of the third diode D3 is connected to the output end of the third signal amplifying unit, and the cathode of the third diode D3 is connected to the input end of the comparing module.
Through adopting above-mentioned technical scheme, through the clamping effect between first diode D1, second diode D2 and the third diode D3, make two lower detected signal of voltage be difficult to export, make the highest detected signal of voltage can be preferred to be transmitted to the input of comparison module, first diode D1, second diode D2 and third diode D3 have still played the probability that reduces the electric current adverse current simultaneously, have played the guard action to the circuit.
Optionally, the method includes: the solar power supply module is used for providing electric energy required by the protection device through solar power generation and comprises a solar panel and a lithium battery electrically connected with the solar panel.
By adopting the technical scheme, solar power generation is realized through the solar panel, so that energy is saved, and the aim of environmental protection is fulfilled; when the sunlight is sufficient, solar panel directly supplies power to the protection device, and the unnecessary electric quantity that solar panel generated electricity will be stored through the lithium cell, and when the sunlight was not enough, the lithium cell was opened automatically and is supplied power to the protection device, has realized the allotment to the electric energy, has reduced the change of sunlight intensity and has caused the probability of influence to the device power supply, has improved the stability of power supply.
Optionally, the comparing module includes a voltage adjusting unit, and the voltage adjusting unit can adjust the threshold signal in the comparing module.
By adopting the technical scheme, a worker can adjust the threshold signal in the comparison module through the voltage adjusting unit, so that the alarm module can respond at different temperatures and gas concentrations, the adaptation range of the alarm module is expanded, and the alarm module can adapt to the service life test of welding power supplies of different models.
Optionally, the alarm module adopts sound and light alarm.
Through adopting above-mentioned technical scheme, adopt acousto-optic warning through making alarm module, increased the mode of warning to the staff, reduced because the staff is distracted and not see the alarm lamp to delay cooling to the welding power and put out a fire, lead to the probability of calamity upgrading, improved alarm module and warned the reliability of staff.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the probability that the worker extinguishes the fire when the welding power supply burns to damage the worker and other equipment is reduced, so that the worker can cool or extinguish the welding power supply before the welding power supply causes more disasters, and the purposes of reducing disasters and preventing disasters are achieved; the warning module can warn the distracted workers, so that the workers can be appropriately relaxed without staring at the state of the welding power supply all the time, and the labor intensity of the workers is reduced; the welding power supply is detected by different physical and chemical means through detecting the environment temperature, the surface temperature of the welding power supply and the concentration of harmful gases, so that the detection accuracy is improved.
2. The accuracy of detection is improved, and the detection signals are not interfered with each other and the detection signal with the highest voltage is selected preferentially.
Drawings
Fig. 1 is a block diagram of an anti-aging and disaster-preventing protection device applied to a welding power supply in an embodiment of the present application.
FIG. 2 is a circuit diagram of a highlight detection module.
Fig. 3 is a block diagram highlighting a solar powered module.
FIG. 4 is a circuit diagram highlighting the comparison signal.
Description of reference numerals: 1. a detection module; 11. an ambient temperature detection unit; 12. a gas detection unit; 13. a thermal imaging detection unit; 14. a first signal amplifying unit; 15. a second signal amplifying unit; 16. a third signal amplifying unit; 2. a comparison module; 3. a signal processing module; 4. an alarm module; 5. a gating module; 6. and a solar power supply module.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a disaster prevention protection device applied to welding power supply aging. Referring to fig. 1, 2 and 3, the aging disaster prevention protection device applied to the welding power supply includes a detection module 1, a comparison module 2, a signal processing module 3, an alarm module 4, a gating module 5 and a solar power supply module 6. The detection module 1 is used for detecting the working state of the welding power supply, the input end of the detection module 1 is used for collecting a state signal of the welding power supply, and the output end of the detection module 1 is used for outputting a corresponding detection signal. The input end of the comparison module 2 is used for receiving the detection signal output by the temperature detection module 1, comparing the detection signal with the threshold signal, and the output end outputs a corresponding comparison signal VL4.
Referring to fig. 1, fig. 2 and fig. 4, a database for storing data is included in the signal processing module 3, an input end of the signal processing module 3 is configured to receive the comparison signal VL4 output by the comparison module 2, the signal processing module 3 is configured to process the comparison signal, and an output end of the signal processing module 3 outputs a corresponding control signal. The input end of the alarm module 4 is used for receiving the control signal output by the signal processing module 3, the alarm module 4 adopts a buzzer and a lamp as a warning tool, and the alarm module 4 is used for giving out sound and light alarm to a user.
Referring to fig. 1, the detection module 1 includes an ambient temperature detection unit 11, a thermal imaging detection unit 13, a gas detection unit 12, a first signal amplification unit 14, a second signal amplification unit 15, and a third signal amplification unit 16. In this embodiment, the ambient temperature detection unit 11 is a temperature sensor, the thermal imaging detection unit 13 is a thermal imager, and the gas detection unit 12 is a gas sensor.
Referring to fig. 1 and 2, the ambient temperature detecting unit 11 collects an ambient temperature of a laboratory where the welding power supply is located through a temperature sensor and outputs a corresponding ambient temperature signal VL1 to an input end of the first signal amplifying unit 14, the first signal amplifying unit 14 is configured to amplify the ambient temperature signal VL1, and then an output end of the first signal amplifying unit 14 outputs a corresponding first detection signal to an input end of the gating module 5.
Referring to fig. 2, the first signal amplifying unit 14 includes a first operational amplifier U1A and a first voltage follower U1B, an amplification range of the first operational amplifier U1A is 0-15V, an inverting input terminal of the first operational amplifier U1A is connected to an output terminal of the ambient temperature detecting unit 11, a non-inverting input terminal of the first operational amplifier U1A is grounded, and an output terminal of the first operational amplifier U1A is connected to an inverting input terminal of the first voltage follower U1B. The non-inverting input end of the first voltage follower U1B is grounded, and the output end of the first voltage follower U1B is connected to the input end of the gating module 5.
Referring to fig. 2, a first resistor R1 is connected in series between the output end of the ambient temperature detection unit 11 and the first operational amplifier U1A, a second resistor R2 is connected between the output end of the ambient temperature detection unit 11 and the first resistor R1, the other end of the second resistor R2 is grounded, a first capacitor C1 is connected between the second resistor R2 and the ground, and the other end of the first capacitor C1 is connected between the output end of the ambient temperature detection unit 11 and the first resistor R1. A third resistor R3 is connected in series between the output end of the first operational amplifier U1A and the reverse input end of the first voltage follower U1B, a fourth resistor R4 is connected in series between the reverse input end of the first voltage follower U1B and the output end of the first voltage follower U1B, a fifth resistor R5 is connected to the output end of the first voltage follower U1B, and the other end of the fifth resistor R5 outputs a corresponding first detection signal to the gating module 5.
Referring to fig. 1 and 2, the gas detection unit 12 detects the concentration of the harmful gas in the laboratory where the welding power supply is located through a gas sensor and outputs a corresponding gas concentration signal VL2 to the input terminal of the gating module 5, the second signal amplification unit 15 is configured to amplify the gas concentration signal VL2, and the output terminal of the second signal amplification unit 15 is configured to output a second detection signal to the input terminal of the gating module 5.
Referring to fig. 2, the second signal amplifying unit 15 includes a second operational amplifier U2A and a second voltage follower U2B, an amplification range of the second operational amplifier U2A is 0-15V, an inverting input terminal of the second operational amplifier U2A is connected to the output terminal of the gas detecting unit 12, a non-inverting input terminal of the second operational amplifier U2A is grounded, and an output terminal of the second operational amplifier U2A is connected to an inverting input terminal of the second voltage follower U2B. The non-inverting input end of the second voltage follower U2B is grounded, and the output end of the second voltage follower U2B is connected to the input end of the gating module 5.
Referring to fig. 2, a sixth resistor R6 is connected in series between the output end of the gas detection unit 12 and the second operational amplifier U2A, a seventh resistor R7 is connected between the output end of the gas detection unit 12 and the sixth resistor R6, the other end of the seventh resistor R7 is grounded, a second capacitor C2 is connected between the seventh resistor R7 and the ground, and the other end of the second capacitor C2 is connected between the output end of the gas detection unit 12 and the sixth resistor R6. An eighth resistor R8 is connected in series between the output end of the second operational amplifier U2A and the reverse input end of the second voltage follower U2B, a ninth resistor R9 is connected in series between the reverse input end of the second voltage follower U2B and the output end of the second voltage follower U2B, a tenth resistor R10 is connected to the output end of the second voltage follower U2B, and the other end of the tenth resistor R10 outputs a corresponding second detection signal to the gating module 5.
Referring to fig. 1 and 2, the thermal imaging detection unit 13 detects the temperature of the surface of the welding power supply through a thermal imager and outputs a corresponding thermal imaging signal VL3 to an input end of the third signal amplification unit 16, the third signal amplification unit 16 is configured to amplify the thermal imaging signal VL3, and then the output end of the third signal amplification unit 16 outputs a corresponding third detection signal to an input end of the gating module 5.
Referring to fig. 2, the third signal amplifying unit 16 includes a third operational amplifier U3A and a third voltage follower U3B, an amplification range of the third operational amplifier U3A is 0-15V, an inverting input terminal of the third operational amplifier U3A is connected to an output terminal of the thermal imaging detection unit 13, a non-inverting input terminal of the third operational amplifier U3A is grounded, and an output terminal of the third operational amplifier U3A is connected to an inverting input terminal of the third voltage follower U3B. The non-inverting input end of the third voltage follower U3B is grounded, and the output end of the third voltage follower U3B is connected to the input end of the gating module 5.
Referring to fig. 2, an eleventh resistor R11 is connected in series between the output end of the thermal imaging detection unit 13 and the third operational amplifier U3A, a twelfth resistor R12 is connected between the output end of the thermal imaging detection unit 13 and the eleventh resistor R11, the other end of the twelfth resistor R12 is grounded, a second capacitor C2 is connected between the twelfth resistor R12 and the ground, and the other end of the second capacitor C2 is connected between the output end of the gas detection unit 12 and the eleventh resistor R11. A thirteenth resistor R13 is connected in series between the output end of the third operational amplifier U3A and the inverting input end of the third voltage follower U3B, a fourteenth resistor R14 is connected in series between the inverting input end of the third voltage follower U3B and the output end of the third voltage follower U3B, a fifteenth resistor R15 is connected to the output end of the third voltage follower U3B, and the other end of the fifteenth resistor R15 outputs a corresponding third detection signal to the gating module 5.
Referring to fig. 2, the gating module 5 includes a first diode D1, a second diode D2, and a third diode D3, wherein an anode of the first diode D1 and an output end of the first voltage follower U1B are respectively connected to two ends of the fifth resistor R6, and a cathode of the first diode D1 is connected to an input end of the comparing module 2. The anode of the second diode D2 and the output end of the second voltage follower U2B are connected to two ends of the tenth resistor R10, respectively, and the cathode of the second diode D2 is connected to the input end of the comparison module 2. The anode of the third diode D3 and the output end of the third voltage follower U3B are connected to two ends of the fifteenth resistor R15, respectively, and the cathode of the third diode D3 is connected to the input end of the comparison module 2.
Referring to fig. 2, the output terminals of the first diode D1, the second diode D2 and the third diode D3 are all connected to the input terminal of the comparison module 2, and the two of the first diode D1, the second diode D2 and the third diode D3 with smaller voltages are clamped by the voltage of the diode with the highest voltage, so that the highest voltage among the first diode D1, the second diode D2 and the third diode D3 is preferentially output to the comparison module 2.
Referring to fig. 2, the comparing module 2 includes a voltage comparator U4A and a transistor Q1, the power supply of the voltage comparator U4A is ± 15V, a sixteenth resistor R16 is connected in series between the inverting input terminal of the voltage comparator U4A and the first diode D1, a voltage adjusting unit 21 is connected to the inverting input terminal of the voltage comparator U4A, and the voltage at the inverting input terminal of the voltage comparator U4A is adjusted by the voltage adjusting unit 21. The voltage adjusting unit 21 includes a seventeenth resistor R17 connected to the equidirectional input end of the voltage comparator U4A, an eighteenth resistor R18 is connected to the other end of the seventeenth resistor R17, an output end of the 15V power supply is connected to the other end of the eighteenth resistor R18, a nineteenth resistor R19 is connected between the seventeenth resistor R17 and the eighteenth resistor R18, and the other end of the nineteenth resistor R19 is grounded. The worker can adjust the voltage corresponding to the threshold signal of the equidirectional input end of the voltage comparator U4A by adjusting the resistance ratio among the seventeenth resistor R17, the eighteenth resistor R18 and the nineteenth resistor R19.
Referring to fig. 2, the output end of the voltage comparator U4A is connected to the base of the triode Q1, a twentieth resistor R20 is connected in series between the output end of the voltage comparator U4A and the base of the triode Q1, the emitter of the triode Q1 is grounded, a twenty-first resistor R21 is connected in series between the emitter of the triode Q1 and the base of the triode Q1, the collector of the triode Q1 is connected with a twenty-second resistor R22, the other end of the twenty-second resistor R22 is connected with the output end of the 15V power supply, and the comparison signal VL4 is output to the signal processing module 3 between the twenty-second resistor R22 and the collector of the triode Q1.
Referring to fig. 3, the solar power supply module 6 is used for supplying power to the protection device, and the solar power supply module 6 includes a solar panel for generating power through sunlight and a lithium battery electrically connected to the solar panel. When the sunlight is sufficient, solar panel directly supplies power to protection device, and the unnecessary electric quantity that solar panel generated electricity will be saved through the lithium cell, and when the sunlight was not enough, the lithium cell was opened automatically and is supplied power to protection device.
The implementation principle of the welding power supply aging disaster prevention protection device is as follows: the environment temperature of a laboratory is collected through the environment temperature detection unit 11, an environment temperature signal VL1 is output and transmitted to the first signal amplification unit 14, the VL1 is amplified through the first operational amplifier U1A, and the amplified signal is used for protecting a circuit through the first voltage follower U1B and is transmitted to the anode of the first diode D1. The thermal imaging signal VL2 and the gas concentration signal VL3 operate the same as VL1, by connecting the first diode D1, the second diode D2, and the third diode D3 together at the reverse input of the voltage comparator U4A, by clamping between the three diodes, the highest voltage is transmitted to the reverse input of the voltage comparator U4A, by comparing the voltage with the voltage set-point at the non-inverting input of the voltage comparator U4A.
If the voltage at the reverse input end of the voltage comparator U4A is greater than the voltage at the in-phase input end of the voltage comparator U4A, the output end of the voltage comparator U4A outputs a low level, after the base electrode of the triode Q1 receives the low level, the collector electrode of the triode Q1 is not conducted with the emitter electrode of the triode Q1, so that the comparison signal VL4 outputs a high level, and the signal processing module 3 sends a control signal to the alarm module 4 after the comparison signal VL4 is processed, so that the alarm module 4 starts to alarm. If the voltage of the reverse input end of the voltage comparator U4A is smaller than the voltage of the non-inverting input end of the voltage comparator U4A, the output end of the voltage comparator U4A outputs a high level, and after the base electrode of the triode Q1 receives the high level, the collector electrode of the triode Q1 is conducted with the emitter electrode of the triode Q1, so that the 15V power output end is grounded from the emitter electrode of the triode Q1, the comparison signal VL4 outputs a low level, and the alarm module 4 does not work.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides an it prevents disaster protection device to be applied to welding power supply ageing which characterized in that, including:
the detection module (1) is used for detecting the working state of the welding power supply, the input end of the detection module (1) is used for acquiring a state signal of the welding power supply, and the output end of the detection module (1) is used for outputting a corresponding detection signal;
the input end of the comparison module (2) is used for receiving the detection signal output by the detection module (1), comparing the detection signal with a threshold signal, and the output end of the comparison module outputs a corresponding comparison signal;
the input end of the signal processing module (3) is used for receiving the comparison signal output by the comparison module (2), the signal processing module (3) is used for processing the comparison signal, and the output end of the signal processing module (3) outputs a corresponding control signal;
and the input end of the alarm module (4) is used for receiving the control signal output by the signal processing module (3), and the alarm module (4) is used for giving an alarm to a user.
2. The welding power supply aging disaster prevention protection device applied to the welding power supply as claimed in claim 1, wherein: the detection module (1) comprises:
the environment temperature detection unit (11) is used for collecting the environment temperature of a laboratory where the welding power supply is located and outputting a corresponding environment temperature signal to the input end of the comparison module (2);
and the gas detection unit (12) is used for detecting the concentration of harmful gas in a laboratory where the welding power supply is located and outputting a corresponding gas concentration signal to the input end of the comparison module (2).
3. The welding power supply aging disaster prevention protection device applied to the welding power supply as claimed in claim 1, wherein: the detection module (1) further comprises:
and the thermal imaging detection unit (13) is used for detecting the temperature of the surface of the welding power supply through thermal imaging and outputting a corresponding thermal imaging signal to the input end of the comparison module (2).
4. The welding power supply aging disaster prevention protection device applied to the claim 2 is characterized by comprising:
the input end of the gating module (5) is used for receiving the environment temperature signal, the gas concentration signal and the thermal imaging signal, the gating module (5) is used for screening out the environment temperature signal, the gas concentration signal and the thermal imaging signal to form a signal which represents the worst working state of the welding power supply, and the output end of the gating module (5) outputs a corresponding selection signal to the comparison module (2).
5. The welding power supply aging disaster prevention protection device applied to the claim 2 is characterized by comprising: the detection module (1) comprises:
the input end of the first signal amplification unit (14) is used for receiving the ambient temperature signal output by the ambient temperature detection unit (11), the first signal amplification unit (14) is used for amplifying the ambient temperature signal, and the output end of the first signal amplification unit (14) is used for outputting a first detection signal to the input end of the gating module (5);
the input end of the second signal amplification unit (15) is used for receiving the gas concentration signal output by the gas detection unit (12), the second signal amplification unit (15) is used for amplifying the gas concentration signal, and the output end of the second signal amplification unit (15) is used for outputting a third detection signal to the input end of the gating module (5);
and the input end of the third signal amplification unit (16) is used for receiving the thermal imaging signal output by the thermal imaging detection unit (13), the third signal amplification unit (16) is used for amplifying the thermal imaging signal, and the output end of the third signal amplification unit (16) is used for outputting a second detection signal to the input end of the gating module (5).
6. The welding power supply aging disaster prevention protection device applied to the welding power supply according to claim 4, wherein: the gating module (5) comprises a first diode D1, a second diode D2 and a third diode D3, wherein the anode of the first diode D1 is connected to the output end of the first signal amplification unit (14), and the cathode of the first diode D1 is connected to the input end of the comparison module (2); the anode of the second diode D2 is connected to the output end of the second signal amplifying unit (15), and the cathode of the second diode D2 is connected to the input end of the comparing module (2); the anode of the third diode D3 is connected to the output end of the third signal amplifying unit (16), and the cathode of the third diode D3 is connected to the input end of the comparing module (2).
7. The welding power supply aging disaster prevention protection device applied to the claim 1 is characterized by comprising:
the solar energy power supply module (6) is used for providing electric energy required by the protection device through solar power generation, and the solar energy power supply module (6) comprises a solar panel and a lithium battery electrically connected with the solar panel.
8. The aging disaster prevention protection device applied to the welding power supply, according to claim 1, is characterized in that: the comparison module (2) comprises a voltage adjusting unit (21), and the voltage adjusting unit (21) can adjust the threshold signal in the comparison module (2).
9. The aging disaster prevention protection device applied to the welding power supply, according to claim 1, is characterized in that: and the alarm module (4) adopts sound and light alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221536475.9U CN218240352U (en) | 2022-06-20 | 2022-06-20 | Be applied to ageing disaster prevention protection device of welding source |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221536475.9U CN218240352U (en) | 2022-06-20 | 2022-06-20 | Be applied to ageing disaster prevention protection device of welding source |
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| CN218240352U true CN218240352U (en) | 2023-01-06 |
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| CN202221536475.9U Expired - Fee Related CN218240352U (en) | 2022-06-20 | 2022-06-20 | Be applied to ageing disaster prevention protection device of welding source |
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